Tomlin became a pitching coach in the Montreal and Atlanta Braves organizations after his active career. He joined the Boston Red Sox in 1998 in a similar capacity, until 2006, when he was named manager of the Rookie-levelGulf Coast Red Sox of the Gulf Coast League. He served through 2010, compelling a five-year mark of 150–127 (.542), with one league championship (2006). He then shifted to a coaching position with the GCL Red Sox, working for six seasons (2011–16) in that post.[3]